mutableperson.java

多线程与并发处理是程序设计好坏优劣的重要课题

package person;

public final class MutablePerson {
    private String name;
    private String address;
    public MutablePerson(String name, String address) {
        this.name = name;
        this.address = address;
    }
    public MutablePerson(ImmutablePerson person) {
        this.name = person.getName();
        this.address = person.getAddress();
    }
    public synchronized void setPerson(String newName, String newAddress) {
        name = newName;
        address = newAddress;
    }
    public synchronized ImmutablePerson getImmutablePerson() {
        return new ImmutablePerson(this);
    }
    String getName() {    // Called only by ImmutablePerson
        return name;
    }
    String getAddress() { // Called only by ImmutablePerson
        return address;
    }
    public synchronized String toString() {
        return "[ MutablePerson: " + name + ", " + address + " ]";
    }
}